20040664

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4021}}^1$

素因数の和:4123

約数の個数: 32

約数和(自身を含む): 43437600

約数和(自身を除く): 23396936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4021, 4984, 8042, 16084, 28147, 32168, 56294, 112588, 225176, 357869, 715738, 1431476, 2505083, 2862952, 5010166, 10020332, 20040664]

約数ペア:

[(1, 20040664), (2, 10020332), (4, 5010166), (7, 2862952), (8, 2505083), (14, 1431476), (28, 715738), (56, 357869), (89, 225176), (178, 112588), (356, 56294), (623, 32168), (712, 28147), (1246, 16084), (2492, 8042), (4021, 4984)]